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Senior Software Engineer at Mastercard

NEW
Location
Pune Division, Maharashtra, India
Job type
Full time
Posted 1 day ago
Description
Responsibilities:


  • Build & deliver full‑stack solutions: backend (Java/Python/Node.js) and frontend (React.js), with high coding and security standards.
  • Design and develop around networked services (CDNs, load balancing, DNS, DHCP, IPAM); create and maintain public/private REST APIs.
  • Collaborate & lead across product, design, security, and platform; mentor engineers; uphold OWASP/CWE-aligned practices.
  • Document & communicate clearly: ADRs, runbooks, current API specs and system diagrams; share knowledge via reviews/tech talks.
  • Design for scale & reliability: clean architecture, domain modeling, performance optimization; contribute to capacity planning and SLOs.
  • Own quality end‑to‑end: write unit/integration/e2e tests; measure and improve coverage; practice TDD where it fits.
  • Automate delivery: build and manage CI/CD pipelines in Jenkins with gating, blue/green and canary rollout strategies.
  • Automate ops: use Chef (and related tooling) for configuration management, environment provisioning, and repeatable deployments.
  • Troubleshoot in production: instrument services; analyze logs/metrics/traces; lead incident response/root‑cause analysis and durable fixes.
  • Drive continuous improvement: write automation scripts, provide timely support, and continuously learn to elevate team and platform outcomes.


Requirements:


  • Bachelor’s degree in computer science or a related field, or equivalent experience.
  • 10+ years of professional software engineering experience delivering production systems.
  • Strong understanding of data structures, algorithms, distributed systems, and secure coding.
  • Solid grasp of networking basics: OSI layers, TCP/HTTP, DNS, DHCP, and IP address management (IPAM).
  • HandOn experience in Java, Python, Node.js, React.js, REST API design and Microservice architectures.
  • Proficiency with SQL and NoSQL databases.
  • Experience building cloud‑native, multi‑tier applications and working with containers (Kubernetes/PCF).
  • Hands‑on CI/CD using Jenkins (pipeline‑as‑code, quality gates, safe rollout strategies).
  • Configuration/infrastructure automation with Chef; comfortable writing scripts to automate tasks.
  • Deep knowhow of DevSecOps and GitOps practices.
  • Writing Unit, integration, and end‑to‑end tests; Using frameworks like JUnit/TestNG, PyTest, Jest/Playwright/Cypress.
  • Strong production support skills using logs, metrics, and traces (e.g., ELK/OpenSearch, Prometheus/Grafana, OpenTelemetry) and can profile memory/CPU and diagnose network issues.
  • Self‑sufficient across the full lifecycle: from concept and design through implementation, testing, deployment, and monitoring.


101-500
Master Backend Engineering
AI-First Software Engineering
Next batch starts on 01 May
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101-500
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Frequently Asked Questions

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Why Work at Mastercard

Mastercard is a leader in the global payments industry, renowned for its cutting-edge technology and commitment to innovation. As a Senior Software Engineer at Mastercard, you join a company that is at the forefront of the financial technology revolution. Mastercard offers an inclusive and diverse workplace where employees are encouraged to share their ideas and push the boundaries of what's possible. The culture at Mastercard is deeply rooted in collaboration, fostering an environment where team members can thrive and bring their unique perspectives to the table.

Moreover, Mastercard’s commitment to professional development is evident in the vast array of opportunities for continuous learning and career growth. The company values the skills and expertise that employees bring, and it invests in them through training programs, leadership development initiatives, and access to cutting-edge technologies. Working at Mastercard means being part of a team that is revolutionizing the payments industry and making financial transactions easier and more secure for people around the world.

What's It Like to Work at Mastercard

Working at Mastercard is a dynamic and rewarding experience. Employees are given the autonomy to solve complex problems while working alongside some of the brightest minds in the industry. The company fosters a culture of innovation where creativity and risk-taking are encouraged, ensuring that employees feel empowered to make a real impact.

The collaborative work environment at Mastercard promotes open communication and respect among colleagues. Employees have access to flexible work arrangements that support a healthy work-life balance, and the company’s commitment to sustainability and social responsibility is reflected in its corporate culture. From working on groundbreaking projects to participating in community outreach initiatives, Mastercard employees have the opportunity to make a positive difference in the world while building meaningful careers.

What's It Like to Work as a Senior Software Engineer at Mastercard

As a Senior Software Engineer at Mastercard, you will be at the helm of designing and developing innovative software solutions that drive Mastercard’s business forward. This role requires a blend of technical prowess and strategic thinking. You will have the opportunity to work with cutting-edge technologies and influence the technical direction of various projects. Collaboration is key, and you’ll have the chance to work alongside cross-functional teams, providing technical guidance and mentorship to junior engineers.

Working as a Senior Software Engineer at Mastercard means tackling complex challenges in a fast-paced environment where continuous improvement is a high priority. You will play a crucial role in shaping the future of digital payments, enabling seamless, secure transactions for millions of users worldwide. The role offers a great platform for you to showcase your technical acumen while contributing to Mastercard’s mission of connecting and powering an inclusive, digital economy that benefits everyone, everywhere.

Senior Software Engineer Interview Questions at Mastercard

The interview process for a Senior Software Engineer position at Mastercard is designed to evaluate both technical skills and cultural fit. Here are some sample interview questions you might encounter:

  1. Explain a complex technical problem you've solved in your previous role, particularly how you approached the problem and your reasoning.
  2. Describe your experience with software development methodologies like Agile or Scrum and how you have applied them in past projects.
  3. How do you ensure the quality and maintainability of your code?
  4. Discuss a time when you had to influence stakeholders to accept your technical decision. What was the outcome?
  5. What are some of the emerging technologies in software engineering, and how do you stay updated on them?
  6. Walk us through the steps you would take to troubleshoot a complex system issue.
  7. Describe your approach to designing and implementing scalable and secure software architecture.

Senior Software Engineer Interview Preparation at Mastercard

To prepare for a Senior Software Engineer interview at Mastercard, it is crucial to focus on both technical expertise and behavioral readiness. Begin by revisiting core software engineering concepts, including algorithms, data structures, system design, and object-oriented programming. Familiarize yourself with the specific technologies Mastercard employs, such as Java, Python, C++, or other languages relevant to the role.

Beyond technical preparations, consider scenarios where you've demonstrated leadership, collaboration, and problem-solving skills, as Mastercard values these traits. Practice articulating your thoughts clearly and succinctly through mock interviews or with peers. Gain insights into Mastercard's mission, core values, and recent industry contributions to align your responses with the company’s ethos.

Senior Software Engineer Interview Tips at Mastercard

Here are some tips to excel in your Senior Software Engineer interview at Mastercard:

  1. Technical and Behavioral Balance: Demonstrate a strong foundation in technical skills while also highlighting your ability to collaborate, communicate effectively, and work in teams.

  2. Research and Align: Understand Mastercard's core values and express how your career goals align with the company’s objectives. This demonstrates interest and commitment.

  3. Real-World Applications: Use clear, specific examples from your experience to answer questions. Provide context, your role, and the impact your actions had on projects or teams.

  4. Continuous Learning: Show enthusiasm for learning and adapting to new technologies or methodologies, reflecting Mastercard’s culture of innovation.

  5. Ask Insightful Questions: Prepare thoughtful questions about the team, project expectations, or company culture to understand how you can contribute effectively.

By adopting these strategies, you’ll present yourself as a strong candidate ready to take on a Senior Software Engineer role at Mastercard. This role not only involves technical excellence but also being a visionary and a leader, contributing to projects that redefine the future of payments.